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Data Transmission Characteristics Quiz

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Questions and Answers

What is a common application of Frequency Division Multiplexing (FDM)?

Telephone landlines

AM and FM radio broadcasting (correct)

Satellite communication

Fiber optic data transmission

Which technique allows several connections to share the high bandwidth of a link by allocating time slots?

Time-Division Multiplexing (TDM) (correct)

Wave Division Multiplexing (WDM)

Code Division Multiple Access (CDMA)

Frequency Division Multiplexing (FDM)

What is the main advantage of Dense Wavelength Division Multiplexing (DWDM) over standard Wavelength Division Multiplexing (WDM)?

Greater distance coverage

Higher efficiency in channel multiplexing (correct)

Simplified networking protocols

Lower cost implementation

In Time-Division Multiplexing (TDM), how are connections allocated bandwidth on the multiplexing side?

By dividing time into slots for each connection Signup and view all the answers

Which transmission medium is used by radio broadcasting for communication?

Air Signup and view all the answers

What is the special band assigned to AM radio broadcasting frequencies?

530-1700 kHz Signup and view all the answers

How does Frequency Division Multiplexing (FDM) differ from Time-Division Multiplexing (TDM) in terms of bandwidth sharing?

FDM divides time into slots, TDM divides frequency into channels Signup and view all the answers

Which of the following describes Dense Wavelength Division Multiplexing (DWDM) correctly?

"Dense" in DWDM refers to close channel spacing Signup and view all the answers

"Radio uses air as the transmission medium". This statement implies that:

'Radio signals do not require a physical medium for transmission' Signup and view all the answers

"Time-Division Multiplexing (TDM) allows several low-rate channels to be combined into one high-rate channel". This implies that TDM works by:

'Allocating time slots for different connections' Signup and view all the answers